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Finding the Fourth Proportional to 4,287.54, 5,917.03 and 2,399.01

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Solution

The fourth proportional to 4,287.54, 5,917.03 and 2,399.01 is: 3,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.54 : 5,917.03 = 2,399.01 : x
  2. Step 2: Convert to fraction form
    4,287.54/5,917.03 = 2,399.01/x
  3. Step 3: Cross multiply
    4,287.54x = 5,917.03 × 2,399.01
  4. Step 4: Simplify right side
    4,287.54x = 14,195,016.09
  5. Step 5: Solve for x
    x = 14,195,016.09/4,287.54
  6. Step 6: Final answer
    x = 3,310.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.